Rotatable display unit



FIG. 1 is a top, front, and right side perspective view of a rotatable display unit as embodied in a timer, showing my new design;

FIG. 2 is a top, front, and right side perspective view thereof, shown rotated ninety degrees;

FIG. 3 is a top, front, and right side perspective view thereof, shown rotated a further ninety degrees;

FIG. 4 is a top, front, and right side perspective view of a rotatable display unit as embodied in a combination timer clock, calendar, and thermometer, showing my new design in its orientation as a clock;

FIG. 5 is a top, front, and right side perspective view thereof, shown rotated ninety degrees in its orientation as a calendar; and,

FIG. 6 is a top, front, and right side perspective view thereof, shown rotated a further ninety degrees in its orientation as a thermometer.

The rear is plain and unornamented. 

The ornamental design for a rotatable display unit, as shown and described. 